Flywheel Locking Tool for 6.6L Duramax Engines Water Pump Replacement 2500 3500 Gallery Description Flywheel Locking Tool for 6.6L Duramax Engines Water Pump Replacement 2500 3500 High-quality Material: Our 22100 Flywheel Locking Tool is constructed from heavy-duty CRV steel, ensuring durability and resistance to rust and corrosion. Application: Specifically designed for 6.6L Duramax engines with Allison automatic transmissions, our flywheel locking tool effectively locks the flywheel on the transmission to prevent any rotation. Perfect Fit for Duramax 2500 3500 Vehicles: With toothed pieces that effortlessly remove the metal spring-loaded inspection plate on the transmission, our flywheel locking tool seamlessly slides into the opening towards the engine.The top of the tool securely engages with the teeth of the flywheel, providing a perfect fit and locking it in place. Ideal for Duramax 4500 5500 Trucks: Our flywheel locking tool is specifically designed to work seamlessly with Duramax 4500 and 5500 trucks. It features toothed pieces with screws that remove the rubber inspection cap on the bottom of the transmission. Simply insert the tool at the front of the opening, engage the flywheel, and hand tighten the bolt for a secure hold. Convenient 36mm 12-Point Socket Included: To ensure hassle-free installation and removal of the harmonic balancer bolt, our flywheel locking tool comes equipped with a convenient 36mm 12-point socket. With a 3/4" square drive, this socket provides proper torque and a reliable connection. Shipping Fast Free Shipping: Enjoy free shipping within 5 days on all orders. Quick Processing: We ship within 3 business days of payment, often sooner. Trusted Carriers: Your order will be delivered via UPS, FedEx, USPS, or other reliable shipping services. Service Area: We currently ship within the continental U.S. (lower 48 states). At this time, we are unable to ship to APO/FPO addresses or PO Boxes. Payment Policy We accept multiple payment methods, including PayPal and other secure options. Available payment methods can be viewed at checkout. Orders are processed once payment is received. Return Policy We offer a 30-day free return policy for items you are not completely satisfied with. Returns are accepted only for orders shipped within the USA. Unfortunately, we cannot accept returns on international orders.